the clouds came down so ucef can come down. >> the child, her mother said, had confused the fog with heaven. still ahead, the boy that was too brave. >> he was like, man, i want to find this killer and get this reward money. >> a drive-by threat against the fbi chief's child. >> some guy in a pickup truck said, i'm going to get you nigger. >> and in the end, the curious question of the cia -- >> when you're 19 years old, you say you work for the cia, you've been recruited. >> i'll let the document speak for itself. i'm not going to comment on that. >> then, you know how to kill someone with a choke hold? that's a yes or no answer. >> no, it's not. >> yes, it is, actually. >> do you know know how to kill someone with a chokehold? >> no with it's not.